3720139

Information

• Patent Grant
• 3720139

• References
• Source

• Patent Number

  3,720,139

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  51 years ago

• CPC

  • F01B17/04 - Steam engines
  • F01B2170/0464 - Oscillating cylinders for steam engines

• US Classifications

  • 091 - Motors: expansible chamber type